Psychometric evaluation of the English version of the Düsseldorf Orthorexie Scale (DOS) and the prevalence of orthorexia nervosa among a U.S. student sample

Chard, Chrissy A; Hilzendegen, Carolin; Barthels, Friederike; Stroebele‐Benschop, Nanette

doi:10.1007/s40519-018-0570-6

Cited by 87 publications

(89 citation statements)

References 37 publications

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“…Moreover, individuals following a vegetarian diet, compared to individuals following an omnivorous diet, are more informed than others about healthy eating, know more about healthy eating than other people, prepare food in the most healthful way and are convinced that their diet is more healthy than most diets, their diet is better than other people's diets and their eating habits are superior to others (the EHQ's items [31] related to knowledge of healthy eating). Our results are consistent with previous research using the same questionnaire (EHQ) [20,33]. Other studies (using another methods) have also indicated that individuals following a vegetarian diet reported more orthorexic behaviors than those who follow an omnivorous diet [17,34,35].…”

Section: Discussionsupporting

confidence: 92%

Interaction between Vegetarian Versus Omnivorous Diet and Unhealthy Eating Patterns (Orthorexia Nervosa, Cognitive Restraint) and Body Mass Index in Adults

Brytek-Matera

2020

Nutrients

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The objective of the present study was two-fold: Firstly, to investigate unhealthy eating patterns and body mass index among individuals following a vegetarian diet and those following an omnivorous diet. Secondly, to examine interaction between vegetarian versus omnivorous diet and unhealthy eating patterns (orthorexia nervosa, cognitive restraint) and body mass index using a structural equation modeling approach (SEM). The study included 370 participants: 188 participants following a vegetarian diet and 182 following an omnivorous diet. Unhealthy eating patterns and body mass index were measured. Our results showed that individuals following a vegetarian diet were more likely to engage in orthorexic eating behavior compared to individuals following an omnivorous diet. In addition, they had a significantly lower levels of cognitive restraint and lower body mass index than individuals following an omnivorous diet. Use of SEM method showed that:(1) following a vegetarian diet and orthorexia nervosa were directly associated, (2) following an omnivorous diet and cognitive restraint were directly related and (3) following an omnivorous diet had a greater tendency to cognitive restraint and an elevated body mass index. More research is necessary to further understand the complexity of the relationship between type of diet and unhealthy eating patterns in adults.

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Section: Discussionsupporting

confidence: 92%

Interaction between Vegetarian Versus Omnivorous Diet and Unhealthy Eating Patterns (Orthorexia Nervosa, Cognitive Restraint) and Body Mass Index in Adults

Brytek-Matera

2020

Nutrients

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“…Moreover, the change in eating behaviors seen in people with ED is usually associated with the perceived "fattening" effect [60], which could have contributed to the more frequent consumption of meat and meat products and reduced consumption of sugar-rich and refined products. It can also be assumed that, in people with both ON tendency and ED symptoms, the occurrence of the former was not associated with the use of a vegetarian or vegan diet [56,61].…”

Section: Discussionmentioning

confidence: 99%

“…A previous study found that more than half of the ED patients had followed a vegetarian diet in the past, while almost 24% of them are currently vegetarians [63]. In addition, a relationship has been observed between ON tendency and the use of vegetarian and vegan diets [56,61]. Some researchers suggest that vegetarianism and veganism can be a socially acceptable way to avoid certain foods or certain eating situations and used as a mask to hide ED [24,62,63].…”

Section: Discussionmentioning

confidence: 99%

Orthorexic Tendency and Eating Disorders Symptoms in Polish Students: Examining Differences in Eating Behaviors

Plichta

Jeżewska-Zychowicz

2020

Nutrients

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Orthorexia nervosa (ON) may precede, ensue, or coexist with eating disorders (ED) and also affect eating behaviors. The aim of this study was to explore the dietary patterns (DPs) and other eating habits of people showing ON tendency, ED symptoms, and both ON tendency and ED symptoms, as well as those not showing either. The data for the study were collected from a sample of 1120 Polish college students through a cross-sectional survey in 2017. The questionnaire used in the survey included the ORTO-15, the Eating Disorder Screen for Primary Care (ESP), and the Food Frequency Questionnaire (FFQ-6), and the students were also asked questions about their eating habits and special diets. A factor analysis was conducted to identify the following five DPs: “high-sugar products and refined products,” “meat and meat products,” “alcohol,” “high-fiber products and nuts,” and “dairy products and whole-meal bread.” Univariate logistic regression analyses were carried out to verify the associations between the variables. Students in the “ON and without ED” group were found to exhibit more healthy eating habits than the students in the “ED and without ON” group. The use of a special diet in the past and currently increased the risk of displaying ON tendency and ED symptoms. Students in the “ON and without ED” and “ON and ED” groups were characterized by less frequent consumption of high-sugar and refined products. Students who rarely consumed meat and related products were found to be less likely to display “ON and ED.” In conclusion, different eating habits shown by people with ON tendency and ED symptoms confirmed the difference between ON and ED. However, the simultaneous displaying of ON and ED leads to the overlapping of specificity of eating habits, which can make the diagnosis based only on the eating habits difficult. Thus, there is still a need for further research involving the use of more sensitive tools that can better identify ON tendency and ED symptoms, as well as DPs.

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“…DOS zawiera łącznie 21 pozy-cji, jednak stosowany jest też w krótszej formie (10-item-DOS). Kwestionariusz wykorzystano kilkakrotnie w badaniach niemieckich (Barthels i in., 2015;Barthels, Meyer, Huber, Pietrowsky, 2017;Rudolph, 2018) i przetłumaczono na język angielski w populacji amerykańskich studentów (Chard, Hilzendegen, Barthels, Stroebele-Benschop, 2018). Kwestionariusz okazał się trafny i rzetelny, lecz autorzy adaptacji wskazują na pewne ograniczenia związane z wykorzystywaniem narzędzia w innych populacjach (także anglojęzycznych).…”

Section: Narzędzia Diagnostyczneunclassified

Orthorexia nervosa: definicje, kryteria, klasyfikacje – kontrowersje i rozbieżności w wynikach badań

Nelkowska

2019

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<p>Ortoreksja (<em>orthorexia nervosa</em> – ON) to stosunkowo nowe zjawisko, opisywane jako fiksacja na spożywaniu zdrowej żywności. Ze względu na skalę żywieniowych restrykcji oraz znaczące konsekwencje, obejmujące zarówno problemy w sferze somatycznej, jak i zaburzenia funkcjonowania psychospołecznego, od ponad dekady trwa naukowa debata mająca na celu rozstrzygnięcie statusu ortoreksji. W niniejszym artykule dokonano podsumowania dotychczasowych rozważań dotyczących ON, ze szczególnym uwzględnieniem doniesień empirycznych. Opisano dominujące kierunki badań, wskazując na rozbieżności w ich wynikach.</p>

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Psychometric evaluation of the English version of the Düsseldorf Orthorexie Scale (DOS) and the prevalence of orthorexia nervosa among a U.S. student sample

Abstract: Descriptive study, Level V.

Cited by 87 publications

References 37 publications

Interaction between Vegetarian Versus Omnivorous Diet and Unhealthy Eating Patterns (Orthorexia Nervosa, Cognitive Restraint) and Body Mass Index in Adults

Interaction between Vegetarian Versus Omnivorous Diet and Unhealthy Eating Patterns (Orthorexia Nervosa, Cognitive Restraint) and Body Mass Index in Adults

Orthorexic Tendency and Eating Disorders Symptoms in Polish Students: Examining Differences in Eating Behaviors

Orthorexia nervosa: definicje, kryteria, klasyfikacje – kontrowersje i rozbieżności w wynikach badań

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